-- @testpoint: opengauss关键字next(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists next;
create function next(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带双引号-成功
drop function if exists "next";
create function "next"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带单引号-合理报错
drop function if exists 'next';
create function 'next'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `next`;
create function `next`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--清理环境
drop function if exists next(integer);
drop function if exists "next"(integer);